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发明名称
Grinder rotor
摘要
申请公布号
US2583319(A)
申请公布日期
1952.01.22
申请号
US19500160565
申请日期
1950.05.06
申请人
THE JEFFREY MANUFACTURING COMPANY
发明人
BRAKE EDGAR R.
分类号
E03C1/266
主分类号
E03C1/266
代理机构
代理人
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地址
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